Improvement in railroad-signals



J. W. HAWLEY.

RAILROAD-SIGNAL. I N5.175,703. Patented April-4, 18 76.

N. PETERS, FHOTO LITHOGRAPNER, WASHINGTON. D4 0? Unrrnn STATES JOHN W.HAWLEY, OF WARSAW, NEW YORK.-

IMPROVEMENT "\l RAILROAD-SIGNALS.

Specification forming part of Letters Patent No. 175,703, dated April 4,1876 application filed February 28, 1876.

To all whom it may concern Be it known that I, JOHN W. HAWLEY, ofWarsaw, in the county of Wyoming and State of New York, have invented anew and Improved Railroad-Signal, of which the i'ollowing is aspecification In the accompanying drawing, Figure 1 represents a sideelevation of my improved signaling device for railroad-crossings5 Fig.2, a vertical transverse section of the same on line 0 c, Fig. 1; andFig. 3, a horizontal section of the signal-dropping mechanism 011 lineor :20, Fig. 1.

Similar letters of reference indicate corresponding parts.

' The object of my invention is to arrange, at

railway-crossings, signaling devices that are operated by the engine,giving unmistakable signals and signs of the approach of the trainbefore the same arrives at the crossing, and changing signs when passingthe crossing. The invention consists of a wire connection extending fromthe signal-box at the crossing to some distance from the same, to beoperated by the locomotive depressing a springacted crank-rod andreleasing the signal.

In the drawing, A represents the signaloperating wire, that is suspendedin suitable manner on pulleys or otherwise, and carried to some distancefrom the crossing of the railroad-track with the street or highway, ineach direction from the crossing. The connecting-wires are, at theirends, applied to a swinging crank-rod, B, that is operated by a pivotedlink, a, and inclined top band, I), and

' by a suitable pulley, lever, or other device from the locomotivepressing thereon. The depres sion of the band by the locomotive pullsthe wire at the moment when the locomotive arrives at that part of thetrack.

' The depressing mechanism of the signaling device at the other side ofthe crossing is preferably placed at that side of the track opposite tothe one on which the first mechanism is placed, s) that one pulley-leveror equivalent device of the locomotive will serve for operating thesignal at the crossing in whatever direction the 'lOOOlIluLiVOapproaches.

The wires A are attached to sliding and spring-acted wedge-plates (I,placed inside of a box or inclosing-frame, 0, arranged on supports atthe crossin The sliding wedgeplates release a spring-bolt, d, and drop avertically-sliding signal-plate or an arm, 0, with flag or signal-lightattached, so that the signal of the approaching train is given at thecrossing when the train arrives at the point where the releasingmechanism is located.

When the train arrives at the crossing, the locomotive comes in contactwith a similar depressing mechanism, D, that raises a vertically-slidingrod, D, guided between the supports of the box 0. The upward motion ofthe rod D carries the signalplate or cam back into the box out of sight,to be there locked again by the spring-bolt, the train accomplishingthus the dropping and withdrawing of the signal by mechanical meanswithout requiring a flagman or other attendant, which may be ofadvantage at street and other crossings, as the approach of trains isindicated in reliable manner at day and night.

Having thus described my invention, I claim as new and desire to secureby Letters Patcut- The combination of band b, link a, crank B, and wireA, with the sliding spring wedgeplates d, spring-bolt d, and the signalarm 0, substantially as and for the purpose specified.

JOHN WALDO HAWLEY.

Witnesses:

S. HAWLEY, W. W. HAWLEY.

